Not that it matters, but I'm a "she", not a "he" :-)
Of course it matters, and I apologize for my presumptuousness.
I thought you might have some luck with the National World War II Museum in New Orleans. It was first known as the D-Day Museum, so they probably have extensive resources on that campaign.
http://www.nationalww2museum.org/
I found a ph. # for research on the contact page. They are interested in first-hand accounts from veterans. I don’t know how they feel about helping people compile those accounts.